Home / 12,061,630.20-18,093,320.10-7,258,978.20

Finding the Fourth Proportional to 12,061,630.20, 18,093,320.10 and 7,258,978.20

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Solution

The fourth proportional to 12,061,630.20, 18,093,320.10 and 7,258,978.20 is: 10,888,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,630.20 : 18,093,320.10 = 7,258,978.20 : x
  2. Step 2: Convert to fraction form
    12,061,630.20/18,093,320.10 = 7,258,978.20/x
  3. Step 3: Cross multiply
    12,061,630.20x = 18,093,320.10 × 7,258,978.20
  4. Step 4: Simplify right side
    12,061,630.20x = 131,339,016,171,521.83
  5. Step 5: Solve for x
    x = 131,339,016,171,521.83/12,061,630.20
  6. Step 6: Final answer
    x = 10,888,993.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.